Narrator: She's worked with infants and young children on a variety of commercials, TV shows, and movies, like " The Flintstones, " " Grace Under Fire, " and " Akeelah tnd the Bee." First off, where do these crying babies come from?

旁白：她曾在各种商业广告、电视节目和电影中与婴幼儿一起工作，例如“打火石” 、“火下恩典” 和“阿基拉与蜜蜂” 。首先，这些哭闹的婴儿从哪里来从？